StringToStringRule


1   /**
2    * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3    */
4   package net.sourceforge.pmd.rules.strings;
5   
6   import net.sourceforge.pmd.AbstractRule;
7   import net.sourceforge.pmd.ast.ASTVariableDeclaratorId;
8   import net.sourceforge.pmd.symboltable.NameOccurrence;
9   
10  import java.util.Iterator  ;
11  
12  public class StringToStringRule extends AbstractRule {
13  
14      public Object   visit(ASTVariableDeclaratorId node, Object   data) {
15          if (!node.getNameDeclaration().getTypeImage().equals("String")) {
16              return data;
17          }
18          for (Iterator   i = node.getUsages().iterator(); i.hasNext();) {
19              NameOccurrence occ = (NameOccurrence) i.next();
20              if (occ.getNameForWhichThisIsAQualifier() != null && occ.getNameForWhichThisIsAQualifier().getImage().indexOf("toString") != -1) {
21                  addViolation(data, occ.getLocation());
22              }
23          }
24          return data;
25      }
26  }
27

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